Haaalp mate 8 stuck on recovery - Mate 8 Q&A, Help & Troubleshooting

long story short
tried downgrading from 580 to marshmallow via this https://forum.xda-developers.com/mate-8/general/guide-how-to-downgrade-mate-8-emui-5-to-t3515202
now am stuck on c900b500 version and in recovery (cant boot up)
tried update.app method gets( incompatibility with current version )
bootloader is re locked and frp is locked
so please save me cuz am using my other phone ( j500f) and i hate my self lol

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wrong bootloader

yesterday i tried to upgrade from extrestolite 5.1.1 to extrestolite 6.0.1 . i downloaded all the correct files for my phone (920w8) then proceeded to flash the boot loader , modem and an updated recovery with odin. so far so good. i forgot to put the zip file on my phone with the marshmallow firmware. now all i can do is get to download mode or recovery. i have searched for a 5.1.1 bootloader so i could at least get it to boot and get the zip file to the internal storage but i cant find one. can anyone help with this ? my dad is in the hospital and i really need my phone.
confused and frustrated

Honor 6 L12 rooted, TWRP Installed, shows unlocked bootloader

Hello everyone,
I've honor 6 L12 rooted, unlocked bootloader as I can see in fast boot and multi tool, I've installed TWRP recovery.
I just made a backup through TWRP saved in internal SD storage, and try to install but since that try, I hade problem like model changed to L01 and my version is ending with B000
Also the shape and look (of firmware and theme), have been changed.
I don't know what happened and why!
I tried to to restore custom rom and recovery but couldn't.
Now I can't use recovery mod because it's giving me this: Error!
Function No : (Func_Boot_RECOVERY)
Error No : 2
I've tried to use multi tool giving me error with any writing to device:
Faild remote command not allowed
Note: I'm still able to access normal mod, but it's hard, I've to try ton of times pressing buttons to boot to normal mod.
Please any help dears.
Update:
Now my device is not booting to nermal mode anymore.
I kept flashing through unbrick tool in multitools.
But I don't know exactly which firmware and model to flush!
And now I'm stuck on recovery mode (also with same error above) and fastboot mode when I restart and connect device to pc keep pressing volume down.
Any single help!
ALHARTHI6 said:
Update:
Now my device is not booting to nermal mode anymore.
I kept flashing through unbrick tool in multitools.
But I don't know exactly which firmware and model to flush!
And now I'm stuck on recovery mode (also with same error above) and fastboot mode when I restart and connect device to pc keep pressing volume down.
Any single help!
Click to expand...
Click to collapse
Which firmware you were on before issue?
No I didn't
As I said trying to restore my backup through TWRP but was in internal SD., that's it.
My real model is L12.
Version, I don't remember but it was on android 5.1.1 EMUI 3.1
Now I just used Sd method and recover device with last 4.0.1 EMUI for devolvers, but no Arabic language.
How to go to another firmware?
What is the best, satable one for my device?
And is there a good custom stable rom, especially if android 7 ?
Please full answer if available
Thanks again

Honor 6 Plus Bootloop/Brick. Can't boot into system or recovery or fastboot.

I have a Honor 6 Plus PE-TL10 running Android M. i bought the phone from Japan so probably the stock OS was Lollipop chinese or Japanese variant (not sure). Since there was no upgrade available to marshmallow in original OS I downloaded Indian upgrade file and locally upgraded my phone to Android M india. The phone was running smooth and fine for almost one year but wasnt rooted. So i flashed TWRP 3.0.2 successfully and then tried to flash SuperSU.zip meant for my phone but it failed and phone got stuck in bootloop. Then with no option left i tried to flash stock rom by extracting System, Boot, Recovery.zip from upgrade folder using huawei upgrade extractor and flashing through fastboot. The flash failed and now it just gets stuck on huawei logo right before the booting starts. So I think it aint even on bootloop. Its probably bricked. I cant enter into fastboot or recovery as its not taking any volume+Power key commands. I waited so that the battery drains out and i charged again but still nothing changed. The service center refused to fix it as it is not bought in India.
P.S i think the flash failed cause i tried to flash Indian Rom instead of original Chinese?Japanese?what-so-ever Rom.
Please help. What shall i do?
Thanks

I unlocked the bootloader and now it's not booting

It was supposed to go to factory reset but it didn't. It gets stuck in the booting section which makes me think its recovery was corrupted. It was on emui 8 China version. Now, I can't get to fastboot since it restarts directly to this section after showing the honor logo. I tried using DLOAD with emui frimware update.app but it doesn't go to update mode. Is it bricked?
hi. did you fix it. i am in the exact same problem please someone help.

J7 stock on samsung screen after upgrade 7 to 8

Hi
i upgraded from 7 to oreo 8.1 . The upgrade passed and the phone rebooted but stock on j7 pro screen and will not boot , i tried factory reset from recovery mode but no luck ..still stuck .. Then i tried other oreo stock firmware but same thing still stuck .. I tried to upgrade to pie version amd it passed but the phone went to bootloop i tried factory reset from recovery mode but still no luck .. I flashed back the oreo firmware and it passed but with the previous problem stuck on jr pro screen ..
On the recovery mode there is some error's show on screen i do not know if this has to do any thing with the phone been stuck on jr pro screen.
The phone model is j730f/ds
the firmware version is 8.1 j730fxws4bsd3
frp off
oem on
the bootloader is locked so i can not flash twrp or root it ..
When i flash the combination_oxa_fa70_j730fxxu4ari1 the phone boots but to the developer mode but there is no oem unlock option there ..
Any idea what went wrong ....
Thx
fixed it by flashing only the AP file .. the Problem now that i have Imei like 00000000 and no recovery mode i get command error

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